The 15RBA4-5E is an expulsion fuse designed for medium voltage outdoor applications, with a maximum voltage rating of 15.5 kV (nominal 14.4 kV). It utilizes boric acid as the interrupting medium, which decomposes under fault conditions to interrupt electrical faults effectively. This fuse belongs to the RBA family and features a standard speed refill design, ensuring reliable performance in switching and protective functions.
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